| Saurabh Gorecha | 70389ca | 2020-04-22 21:31:24 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved. |
| 3 | * Copyright (c) 2018-2020, The Linux Foundation. All rights reserved. |
| 4 | * |
| 5 | * SPDX-License-Identifier: BSD-3-Clause |
| 6 | */ |
| 7 | |
| 8 | #include <arch.h> |
| 9 | #include <asm_macros.S> |
| 10 | #include <cpu_macros.S> |
| 11 | |
| 12 | #include <plat_macros.S> |
| 13 | #include <qti_cpu.h> |
| 14 | |
| 15 | .p2align 3 |
| 16 | |
| 17 | /* ------------------------------------------------- |
| 18 | * The CPU Ops reset function for Kryo-3 Gold |
| 19 | * ------------------------------------------------- |
| 20 | */ |
| 21 | func qti_kryo4_gold_reset_func |
| 22 | #if IMAGE_BL31 && WORKAROUND_CVE_2017_5715 |
| 23 | adr x0, wa_cve_2017_5715_bpiall_vbar |
| 24 | msr vbar_el3, x0 |
| 25 | isb |
| 26 | #endif |
| 27 | |
| 28 | mov x19, x30 |
| 29 | |
| 30 | bl qtiseclib_kryo4_gold_reset_asm |
| 31 | |
| 32 | ret x19 |
| 33 | |
| 34 | endfunc qti_kryo4_gold_reset_func |
| 35 | |
| 36 | /* ---------------------------------------------------- |
| 37 | * The CPU Ops core power down function for Kryo-3 Gold |
| 38 | * ---------------------------------------------------- |
| 39 | */ |
| 40 | func qti_kryo4_gold_core_pwr_dwn |
| 41 | ret |
| 42 | endfunc qti_kryo4_gold_core_pwr_dwn |
| 43 | |
| 44 | /* ------------------------------------------------------- |
| 45 | * The CPU Ops cluster power down function for Kryo-3 Gold |
| 46 | * ------------------------------------------------------- |
| 47 | */ |
| 48 | func qti_kryo4_gold_cluster_pwr_dwn |
| 49 | ret |
| 50 | endfunc qti_kryo4_gold_cluster_pwr_dwn |
| 51 | |
| 52 | #if REPORT_ERRATA |
| 53 | /* |
| 54 | * Errata printing function for Kryo4 Gold. Must follow AAPCS. |
| 55 | */ |
| 56 | func qti_kryo4_gold_errata_report |
| 57 | /* TODO : Need to add support. Required only for debug bl31 image.*/ |
| 58 | ret |
| 59 | endfunc qti_kryo4_gold_errata_report |
| 60 | #endif |
| 61 | |
| 62 | /* --------------------------------------------- |
| 63 | * This function provides kryo4_gold specific |
| 64 | * register information for crash reporting. |
| 65 | * It needs to return with x6 pointing to |
| 66 | * a list of register names in ASCII and |
| 67 | * x8 - x15 having values of registers to be |
| 68 | * reported. |
| 69 | * --------------------------------------------- |
| 70 | */ |
| 71 | .section .rodata.qti_kryo4_gold_regs, "aS" |
| 72 | qti_kryo4_gold_regs: /* The ASCII list of register names to be reported */ |
| 73 | .asciz "" |
| 74 | |
| 75 | func qti_kryo4_gold_cpu_reg_dump |
| 76 | adr x6, qti_kryo4_gold_regs |
| 77 | ret |
| 78 | endfunc qti_kryo4_gold_cpu_reg_dump |
| 79 | |
| 80 | declare_cpu_ops qti_kryo4_gold, QTI_KRYO4_GOLD_MIDR, \ |
| 81 | qti_kryo4_gold_reset_func, \ |
| 82 | qti_kryo4_gold_core_pwr_dwn, \ |
| 83 | qti_kryo4_gold_cluster_pwr_dwn |